The JBX01790 10GBASE-ER SFP+ transceiver represents a premium solution for organizations requiring reliable, long-distance optical connectivity. This extended-range module is specifically engineered to address the challenges of metropolitan and wide-area network deployments where standard short-range transceivers fall short. Key Technical Specifications: Operating at 1550nm wavelength, the JBX01790 achieves exceptional 40-kilometer transmission distances over standard single-mode fiber (SMF 9/125), making it ideal for campus interconnections and service provider backbone networks. The transceiver supports full-duplex 10 Gigabit Ethernet transmission, qualified to IEEE 802.3ae specifications and compliant with industry standards SFF-8431 and SFF-8472. Connectivity & Compatibility: The duplex LC/UPC connectors provide secure, low-loss connections with minimal back-reflection. Full compatibility with Cisco SFP-10G-ER-I ensures seamless integration into existing Cisco infrastructure, eliminating compatibility concerns. The compact SFP+ form factor enables density without sacrificing performance. Quality & Reliability: Constructed with precision-engineered metal casing and laser transmitter components, this optical transceiver meets rigorous safety standards including UL/FDA certification and Class 1 Laser designation. RoHS and ELV compliance ensures environmental responsibility. The wide operating temperature range (-40°C to 85°C) supports deployment in diverse environments. Applications: Ideal for service providers, large enterprises, and data center operators requiring extended-range optical connectivity. Perfect for disaster recovery links, geographic site redundancy, and high-capacity backbone networks. Shipping & Support: Enjoy free standard shipping on orders over $99, with fulfillment from U.S. locations (Danville, CA or Beaufort, SC). Custom brand programming is available to meet specific deployment requirements. Backed by a 90-day limited warranty ensuring peace of mind.